Troubleshooting Walk-In / Medium Temp - Diagnosis: Dirty condenser (or low air flow)
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What is the meaning of the term "material change of use"?
A. A change in purpose for which premises are used B. A change in the circumstances in which premises are used C. A change in the purpose for or the circumstances in which premises are used D. A change in the purpose for or the circumstances in which water fittings are used
A compressor can be removed from an air conditioning system without removing all the refrigerant from the system if ________ are used.
A. Schrader valves B. R-134a style refrigerant valves C. Stem type service valves D. Manifold service valves
In a heat reclaim system, the vapor line carrying hot refrigerant vapor to the heating coil is connected to the ____.
A. liquid line B. hot gas line C. suction line D. compressor line
To avoid system breakdown due to the failure of components that have a predictable service life, it is wise to:
A) Schedule parts replacements for wear items near the end of their service life. B) Install another backup system which can be quickly brought online. C) Not purchase any equipment that has parts that can wear out. D) Always use pulleys that have two belts.